as you say, nigeria is not poor. enormous natural resources. huge numbers of western energy companies there. it's the most populous nation in africa by more than two. 155 million people. the problem is that the government's writ of authority is really relatively narrow. and they have problems in the south in the nigerian delta. they have problems in the north with islamic extremists. and they can't control all these areas. frankly, when they have, lots of their actions have been almost as ruthless as boko haram's. they have gone in with very little discretion and they have killed lots of people, too, fueling some of the radicalization that we've seen in the north over the past five years. >> michael leiter, thank you so much for your insight. mausi segun, thank you for joining us from abuja by skype. we really appreciate that as well. >>> can the world powers in another part of the world save ukraine's economy from russian strangle hold. imf chief, managing director christine lagarde will be joining us tomorrow to discuss a giant aid package to